Which of the following cloud computing mechanisms can exist as a service agent that monitors and keeps track of communication between cloud service consumers and cloud services for load balancing purposes?
A ____________________ is a pre-defined cloud-based platform comprised of a set of already installed IT resources that can be used and customized by a cloud consumer.
A ___________________ is an IT resource that contains mapping logic capable of performing runtime transformation to enable communication between a cloud service and different types of cloud service consumers.
A hypervisor can independently manage and monitor the virtualization of multiple virtual servers, and is therefore associated with the __________________ mechanism.
Which of the following cloud computing mechanisms helps enable on-demand usage by allowing cloud services to be configured to support higher usage thresholds automatically, and within pre- defined parameters?